helicopterjim R.I.P. Posted November 18, 2012 Share Posted November 18, 2012 I was blaming one problem on another apparently. The replacement tachometer cured the intial problem. I would suspect that your faulty tachometer was misreading RPM's - not controlling them. There is nothing in the tachometer that can send a signal to the ECU to change rev limits unless your bike has a singularly unique system that no one is aware of at this time. If so - I hope you kept the original tach - Marelli may want to pay big money for the chance to examine it's systems!! Link to comment Share on other sites More sharing options...
Orange Guzzi Posted December 8, 2012 Author Share Posted December 8, 2012 I was blaming one problem on another apparently. The replacement tachometer cured the intial problem. I would suspect that your faulty tachometer was misreading RPM's - not controlling them. There is nothing in the tachometer that can send a signal to the ECU to change rev limits unless your bike has a singularly unique system that no one is aware of at this time. If so - I hope you kept the original tach - Marelli may want to pay big money for the chance to examine it's systems!! I think it was causing the coil to short out since the tach is connected directly to it. Not a problem with the ignition. The bike ran much better after a tach replacement. Link to comment Share on other sites More sharing options...
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